Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D366932 | Combined electrostatic field generator and particulate collector | — | 1996-02-06 |
| D357311 | Ionizer | — | 1995-04-11 |
| 5187635 | Surface cleaning apparatus and method | — | 1993-02-16 |
| 5043840 | Apparatus and method for selective environmental conditioning of substantially enclosed areas | Rex Coppom | 1991-08-27 |
| 5010777 | Apparatus and method for establishing selected environmental characteristics | Rex Coppom | 1991-04-30 |
| 4911737 | Apparatus and method for environmental modification | Rex Coppom | 1990-03-27 |
| D273819 | Goggle frame | — | 1984-05-15 |